Name meaning & stats
Cydney
Cydney means “wide island”. 5,170 US babies since 1940, peak 2000.
What it means
“wide island”
Form of Sydney
In US birth records
Peak year: 2000
5,170 US babies were named Cydney between 1940 and 2025.
Careers
Not enough notable people named Cydney (or its spelling family) to say anything reliable yet. That's a gap in the data, not the name.
Spelling family
1 in 39 Sydneys spell it Cydney
Names that sound the same, grouped by Heyotag. Share of US babies since 1940.
Name twins (peaked around 2000)